Distributed Denial-of-Service Open Threat Signaling (DOTS) Signal Channel Call Home
draft-ietf-dots-signal-call-home-07
Document Type Active Internet-Draft (dots WG)
Last updated 2020-01-13 (latest revision 2019-11-18)
Replaces draft-reddy-dots-home-network
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Intended RFC status Proposed Standard
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DOTS                                                            T. Reddy
Internet-Draft                                                    McAfee
Intended status: Standards Track                            M. Boucadair
Expires: May 21, 2020                                             Orange
                                                              J. Shallow
                                                       November 18, 2019

   Distributed Denial-of-Service Open Threat Signaling (DOTS) Signal
                           Channel Call Home
                  draft-ietf-dots-signal-call-home-07

Abstract

   This document specifies the DOTS signal channel Call Home, which
   enables a DOTS server to initiate a secure connection to a DOTS
   client, and to receive the attack traffic information from the DOTS
   client.  The DOTS server in turn uses the attack traffic information
   to identify the compromised devices launching the outgoing DDoS
   attack and takes appropriate mitigation action(s).

   The DOTS signal channel Call Home is not specific to the home
   networks; the solution targets any deployment which requires to block
   DDoS attack traffic closer to the source(s) of a DDoS attack.

Editorial Note (To be removed by RFC Editor)

   Please update these statements within the document with the RFC
   number to be assigned to this document:

   o  "This version of this YANG module is part of RFC XXXX;"

   o  "RFC XXXX: Distributed Denial-of-Service Open Threat Signaling
      (DOTS) Signal Channel Call Home";

   o  "| [RFCXXXX] |"

   o  reference: RFC XXXX

   Please update this statement with the RFC number to be assigned to
   the following documents:

   o  "RFC YYYY: Distributed Denial-of-Service Open Threat Signaling
      (DOTS) Signal Channel Specification (used to be I-D.ietf-dots-
      signal-channel)

   Please update TBD statements with the assignment made by IANA to DOTS
   Signal Channel Call Home.

Reddy, et al.             Expires May 21, 2020                  [Page 1]
Internet-Draft            DOTS Signal Call Home            November 2019

   Also, please update the "revision" date of the YANG module.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on May 21, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  The Problem . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  The Solution  . . . . . . . . . . . . . . . . . . . . . .   5
     1.3.  Applicability Scope . . . . . . . . . . . . . . . . . . .   6
     1.4.  Co-existence of Base DOTS Signal Channel & DOTS Call Home   8
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .  11
   3.  DOTS Signal Channel Call Home . . . . . . . . . . . . . . . .  12
     3.1.  Procedure . . . . . . . . . . . . . . . . . . . . . . . .  12
     3.2.  DOTS Signal Channel Variations  . . . . . . . . . . . . .  13
       3.2.1.  Heartbeat Mechanism . . . . . . . . . . . . . . . . .  13
       3.2.2.  Redirected Signaling  . . . . . . . . . . . . . . . .  14
     3.3.  DOTS Signal Channel Extension . . . . . . . . . . . . . .  15

Reddy, et al.             Expires May 21, 2020                  [Page 2]
Internet-Draft            DOTS Signal Call Home            November 2019

       3.3.1.  Mitigation Request  . . . . . . . . . . . . . . . . .  15
       3.3.2.  Address Sharing Considerations  . . . . . . . . . . .  18
       3.3.3.  DOTS Signal Call Home YANG Module . . . . . . . . . .  21
   4.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  26
     4.1.  DOTS Signal Channel Call Home UDP and TCP Port Number . .  26
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